diff --git a/config/app.php b/config/app.php
index e036a5ab0..69bf9504e 100644
--- a/config/app.php
+++ b/config/app.php
@@ -10,6 +10,7 @@ return [
     'debug' => env('APP_DEBUG', false),
     'log' => env('APP_LOG', 'single'),
     'log_level' => env('APP_LOG_LEVEL', 'debug'),
+    'cache_lifetime' => env('APP_CACHE_LIFETIME', 60),
 
     'providers' => [
         FilesystemServiceProvider::class,
diff --git a/gulliver/system/class.bootstrap.php b/gulliver/system/class.bootstrap.php
index effe5f3af..a4faf6502 100644
--- a/gulliver/system/class.bootstrap.php
+++ b/gulliver/system/class.bootstrap.php
@@ -2592,7 +2592,7 @@ class Bootstrap
         $hashTypePrevious = $passwordHashConfig['previous'];
         $acceptance = false;
 
-        if ($RBAC->loginWithHash()) {
+        if ($RBAC != null && $RBAC->loginWithHash()) {
             //To enable compatibility with soap login
             if ((Bootstrap::hashPassword($pass, $hashTypeCurrent) == $userPass) || ($pass === $hashTypeCurrent . ':' . $userPass)) {
                 $acceptance = true;
diff --git a/rbac/engine/classes/model/RbacUsers.php b/rbac/engine/classes/model/RbacUsers.php
index 2f2d547b7..9e76fd516 100644
--- a/rbac/engine/classes/model/RbacUsers.php
+++ b/rbac/engine/classes/model/RbacUsers.php
@@ -184,9 +184,10 @@ class RbacUsers extends BaseRbacUsers
         try {
             $c = new Criteria('rbac');
             $c->add(RbacUsersPeer::USR_UID, $sUsrUid);
-            $rs = RbacUsersPeer::doSelect($c, Propel::getDbConnection('rbac_ro'));
-            if (is_array($rs) && isset($rs[0]) && is_object($rs[0]) && get_class($rs[0]) == 'RbacUsers') {
-                $aFields = $rs[0]->toArray(BasePeer::TYPE_FIELDNAME);
+            $resultSet = RbacUsersPeer::doSelectRS($c, Propel::getDbConnection('rbac_ro'));
+            if ($resultSet->next()) {
+                $this->hydrate($resultSet);
+                $aFields = $this->toArray(BasePeer::TYPE_FIELDNAME);
                 return $aFields;
             }
             return false;
@@ -326,10 +327,14 @@ class RbacUsers extends BaseRbacUsers
      *
      * @param string $keyType One of the class type constants TYPE_PHPNAME,
      *                        TYPE_COLNAME, TYPE_FIELDNAME, TYPE_NUM
+     * @param boolean $original If true return de original verion of fields.
      * @return an associative array containing the field names (as keys) and field values
      */
-    public function toArray($keyType = BasePeer::TYPE_PHPNAME)
+    public function toArray($keyType = BasePeer::TYPE_PHPNAME, $original = false)
     {
+        if ($original) {
+            return parent::toArray($keyType);
+        }
         $key = RbacUsersPeer::translateFieldName(
             RbacUsersPeer::USR_PASSWORD,
             BasePeer::TYPE_COLNAME,
diff --git a/workflow/engine/bin/tasks/cliCommon.php b/workflow/engine/bin/tasks/cliCommon.php
index c902dcf9d..dce0e93ba 100644
--- a/workflow/engine/bin/tasks/cliCommon.php
+++ b/workflow/engine/bin/tasks/cliCommon.php
@@ -1,36 +1,11 @@
 <?php
-/**
- * cliCommon.php
- *
- * ProcessMaker Open Source Edition
- * Copyright (C) 2011 Colosa Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- * For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
- * Coral Gables, FL, 33134, USA, or email info@colosa.com.
- *
- * @author Alexandre Rosenfeld <alexandre@colosa.com>
- * @package workflow-engine-bin-tasks
- */
 
 /* Get the size of the terminal (only works on Linux, on Windows it's always 80) */
 preg_match_all("/rows.([0-9]+);.columns.([0-9]+);/", strtolower(exec('stty -a |grep columns')), $output);
-if(sizeof($output) == 3 && isset($output[2]) && isset($output[2][0])) {
-  define("COLUMNS", $output[2][0]);
+if (sizeof($output) == 3 && isset($output[2]) && isset($output[2][0])) {
+    define("COLUMNS", $output[2][0]);
 } else {
-  define("COLUMNS", 80);
+    define("COLUMNS", 80);
 }
 
 /**
@@ -41,15 +16,9 @@ if(sizeof($output) == 3 && isset($output[2]) && isset($output[2][0])) {
  *                          returns all available workspaces
  * @return array of workspace objects
  */
-function get_workspaces_from_args($args, $includeAll = true) {
-  $workspaces = array();
-  foreach ($args as $arg) {
-    $workspaces[] = new workspaceTools($arg);
-  }
-  if (empty($workspaces) && $includeAll) {
-    $workspaces = PmSystem::listWorkspaces();
-  }
-  return $workspaces;
+function get_workspaces_from_args($args, $includeAll = true)
+{
+    return \ProcessMaker\Util\System::getWorkspacesFromArgs($args, $includeAll);
 }
 
 ?>
diff --git a/workflow/engine/classes/model/Users.php b/workflow/engine/classes/model/Users.php
index eb92a080f..5cd394bb6 100644
--- a/workflow/engine/classes/model/Users.php
+++ b/workflow/engine/classes/model/Users.php
@@ -83,8 +83,11 @@ class Users extends BaseUsers
         try {
             $oRow = UsersPeer::retrieveByPK( $UsrUid );
             if (! is_null( $oRow )) {
+                $this->fromArray(
+                    $oRow->toArray( BasePeer::TYPE_FIELDNAME, true ),
+                    BasePeer::TYPE_FIELDNAME
+                );
                 $aFields = $oRow->toArray( BasePeer::TYPE_FIELDNAME );
-                $this->fromArray( $aFields, BasePeer::TYPE_FIELDNAME );
                 $this->setNew( false );
                 return $aFields;
             } else {
@@ -496,10 +499,14 @@ class Users extends BaseUsers
      *
      * @param string $keyType One of the class type constants TYPE_PHPNAME,
      *                        TYPE_COLNAME, TYPE_FIELDNAME, TYPE_NUM
+     * @param boolean $original If true return de original verion of fields.
      * @return an associative array containing the field names (as keys) and field values
      */
-    public function toArray($keyType = BasePeer::TYPE_PHPNAME)
+    public function toArray($keyType = BasePeer::TYPE_PHPNAME, $original = false)
     {
+        if ($original) {
+            return parent::toArray($keyType);
+        }
         $key = UsersPeer::translateFieldName(
             UsersPeer::USR_PASSWORD,
             BasePeer::TYPE_COLNAME,
diff --git a/workflow/engine/src/ProcessMaker/Plugins/PluginRegistry.php b/workflow/engine/src/ProcessMaker/Plugins/PluginRegistry.php
index 10604028a..9d1891927 100644
--- a/workflow/engine/src/ProcessMaker/Plugins/PluginRegistry.php
+++ b/workflow/engine/src/ProcessMaker/Plugins/PluginRegistry.php
@@ -6,6 +6,7 @@ use Archive_Tar;
 use enterprisePlugin;
 use Exception;
 use G;
+use Illuminate\Support\Facades\Cache;
 use InputFilter;
 use Language;
 use PEAR;
@@ -44,6 +45,7 @@ class PluginRegistry
     use PluginStructure;
     use Attributes;
 
+    const NAME_CACHE = SYS_SYS . __CLASS__;
     /**
      * Instance of de object PluginRegistry
      * @var PluginRegistry $instance
@@ -72,7 +74,11 @@ class PluginRegistry
     public static function loadSingleton()
     {
         if (self::$instance === null) {
-            self::$instance = new PluginRegistry();
+            if (is_null($object = Cache::get(self::NAME_CACHE))) {
+                $object = new PluginRegistry();
+                Cache::put(self::NAME_CACHE, $object, config('app.cache_lifetime'));
+            }
+            self::$instance = $object;
         }
         return self::$instance;
     }
@@ -180,6 +186,7 @@ class PluginRegistry
             $fieldPlugin = PluginsRegistry::loadOrCreateIfNotExists(md5($plugin['PLUGIN_NAMESPACE']), $plugin);
             PluginsRegistry::update($fieldPlugin);
         }
+        Cache::pull(self::NAME_CACHE);
     }
     /**
      * Get the plugin details, by filename
diff --git a/workflow/engine/src/ProcessMaker/Util/System.php b/workflow/engine/src/ProcessMaker/Util/System.php
index f9863f741..124b08d77 100644
--- a/workflow/engine/src/ProcessMaker/Util/System.php
+++ b/workflow/engine/src/ProcessMaker/Util/System.php
@@ -35,6 +35,26 @@ class System
         }
     }
 
+    /**
+     * Returns workspace objects from an array of workspace names.
+     *
+     * @param array $args an array of workspace names
+     * @param bool $includeAll if true and no workspace is specified in args,
+     *                          returns all available workspaces
+     * @return array of workspace objects
+     */
+    public static function getWorkspacesFromArgs($args, $includeAll = true)
+    {
+        $workspaces = array();
+        foreach ($args as $arg) {
+            $workspaces[] = new \workspaceTools($arg);
+        }
+        if (empty($workspaces) && $includeAll) {
+            $workspaces = \System::listWorkspaces();
+        }
+        return $workspaces;
+    }
+
     /**
      * Flush the cache files for the specified workspace.
      *